A&p1: Exam 2

28 Questions | Total Attempts: 57

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Metabolism Quizzes & Trivia

Ch. 3 Mitosis and Meiosis and Ch. 24 Cellular Metabolism


Questions and Answers
  • 1. 
    Which phase of cell's life cycle is the longest?
    • A. 

      Prophase

    • B. 

      Interphase

    • C. 

      Telophase

    • D. 

      None of the above

  • 2. 
    Which of the following is an example of two alleles?
    • A. 

      Gene for isomerase on chromosome A and a gene for maltase on chromosome B at the same loci

    • B. 

      Gene for isomerase on chromosome A and a gene for isomerase on chromosome B at a different loci

    • C. 

      Gene for isomerase on chromosome A and a gene for isomerase on chromosome A at a similar loci

  • 3. 
    Which of the following are examples of substrate level phosphorylation?
    • A. 

      On the mitochondrial inner membrane protons are allowed to move from high to low concentration region in the matrix after which ATPase phosphorylates ADP and ATP is produced

    • B. 

      During glycolysis, two DHAP molecules phosphorylate ADP to yield two molecules of 3-phosphoglycerate and ATP is produced

    • C. 

      During glycolysis, two phospoenoly pyruvate phosphorylates two ADP's and ATP is produced

    • D. 

      Both B and C apply

    • E. 

      All of the above apply

  • 4. 
    When ATP levels are high
    • A. 

      Glucogenesis is stimulated

    • B. 

      Glycolysis is stimulated

    • C. 

      Glycogenolysis is stimulated

    • D. 

      Glycogenesis is stimulated

  • 5. 
    What is the ploidy of a cell that has 3 complete sets of chromosomes?
    • A. 

      1n

    • B. 

      2n

    • C. 

      3n

    • D. 

      4n

  • 6. 
    This gas is released during cellular respiration
    • A. 

      Oxygen

    • B. 

      Carbon dioxide

    • C. 

      Hydrogen

    • D. 

      ATP

  • 7. 
    The final step in harvesting energy from nutrients occurs in the mitochondria called Cellular Respiration
    • A. 

      True

    • B. 

      False

  • 8. 
    The completion of this phase marks the end of cell division
    • A. 

      Prophase

    • B. 

      Anaphase

    • C. 

      Telophase

    • D. 

      Cytokenesis

  • 9. 
    The canis familiaris (domestic dog) is a diploid animal with 78 chromosomes. Canis familiaris posses the gene that codes for cytochrome oxidase subunit 1 (CO1) specific to the species. Based on this which of the following is true?
    • A. 

      78 chromosomes is the animal's gene

    • B. 

      Cytochrome oxidase subunit 1 is a phenotype

    • C. 

      The gene that codes for CO1 is the phenotype

    • D. 

      Both A and B apply

  • 10. 
    Single stranded chromosomes form
    • A. 

      After the sister chromatids have been pulled apart during metaphase

    • B. 

      After the chromatin has condensed to chromosomes during prophase

    • C. 

      After the sister chromatids have been pulled apart during anaphase

    • D. 

      After the homologus chromosomes have been pulled apart during anaphase I

  • 11. 
    Pyruvic acid can be obtained from
    • A. 

      Proteins

    • B. 

      Carbohydrates

    • C. 

      Lipids

    • D. 

      All of them

  • 12. 
    Pyruvate is produced in this region of the cell
    • A. 

      Glycolysis

    • B. 

      Mitochondria

    • C. 

      Intermembrane space

    • D. 

      Cytoplasm

  • 13. 
    Oxidation-reduction reactions are coupled reactions that involve the transfer of electrons from one molecule to another, resulting in a transfer of energy between molecules
    • A. 

      True

    • B. 

      False

  • 14. 
    Mitosis results in sister cells that have the different number of chromosomes as the parent cell
    • A. 

      True

    • B. 

      False

  • 15. 
    Mitosis plays a role in all of the following processes except
    • A. 

      Replacement of old or dying cells

    • B. 

      Tissue growth and repair

    • C. 

      Embryo formation

    • D. 

      Sex cell production

  • 16. 
    Meiosis results in dividing the genome in half
    • A. 

      True

    • B. 

      False

  • 17. 
    Low levels of acetyl CoA and glyceraldehyde phosphate
    • A. 

      Stimulates lipogenesis

    • B. 

      Inhibits glycolysis

    • C. 

      Inhibits lipogenesis

    • D. 

      Stimulates taking a nap

  • 18. 
    IF you do not get oxygen, the first chemical event to stop would be
    • A. 

      NADH production

    • B. 

      Electron transfer from one complex to the next

    • C. 

      ATP production

    • D. 

      Rib cage expansion

  • 19. 
    If coenzyme A activity was inhibited then
    • A. 

      Glycolysis would not occur

    • B. 

      Pyruvate would not form

    • C. 

      Krebs cycle would not occur

    • D. 

      All of the above apply

  • 20. 
    If a diploid cell with 24 chromosomes undergoes meiosis then the result will be
    • A. 

      Two cells with 12 chromosomes

    • B. 

      Four cells with 24 chromosomes

    • C. 

      Two cells with 24 chromosomes

    • D. 

      Four cells with 8 chromosomes

    • E. 

      None of the above

  • 21. 
    How many chromosomes are in a cell with 16 chromosomes at late anaphase?
    • A. 

      16

    • B. 

      24

    • C. 

      32

    • D. 

      64

  • 22. 
    Homologous chromosomes line up at the midline in this phase
    • A. 

      Anaphase I

    • B. 

      Metaphase I

    • C. 

      Metaphase II

    • D. 

      Metaphase

  • 23. 
    High levels of ammonia (NH3) in the body could be a result of
    • A. 

      Spleen dysfunction

    • B. 

      Small intestine dysfunction

    • C. 

      Liver dysfunction

    • D. 

      None of the above

  • 24. 
    Glucogenesis
    • A. 

      Is catabolic

    • B. 

      Is spontaneous

    • C. 

      Occurs in the mitochondria

    • D. 

      Is anabolic

  • 25. 
    Duplicated DNA strands are held together at the
    • A. 

      Double helix

    • B. 

      Centromere

    • C. 

      Kinetecore

    • D. 

      Centrosome